Accepted answer

Highcharts will automatically try to find the best format for the current zoom-range. This is done if the xAxis has the type 'datetime'. Next the unit of the current zoom is calculated, it could be one of:

  • second
  • minute
  • hour
  • day
  • week
  • month
  • year

This unit is then used find a format for the axis labels. The default patterns are:

second: '%H:%M:%S',
minute: '%H:%M',
hour: '%H:%M',
day: '%e. %b',
week: '%e. %b',
month: '%b \'%y',
year: '%Y'

If you want the day to be part of the "hour"-level labels you should change the dateTimeLabelFormats option for that level include %d or %e. These are the available patters:

  • %a: Short weekday, like 'Mon'.
  • %A: Long weekday, like 'Monday'.
  • %d: Two digit day of the month, 01 to 31.
  • %e: Day of the month, 1 through 31.
  • %b: Short month, like 'Jan'.
  • %B: Long month, like 'January'.
  • %m: Two digit month number, 01 through 12.
  • %y: Two digits year, like 09 for 2009.
  • %Y: Four digits year, like 2009.
  • %H: Two digits hours in 24h format, 00 through 23.
  • %I: Two digits hours in 12h format, 00 through 11.
  • %l (Lower case L): Hours in 12h format, 1 through 11.
  • %M: Two digits minutes, 00 through 59.
  • %p: Upper case AM or PM.
  • %P: Lower case AM or PM.
  • %S: Two digits seconds, 00 through 59


You write like this-:

xAxis: {
        type: 'datetime',
        dateTimeLabelFormats: {
           day: '%d %b %Y'    //ex- 01 Jan 2016

also check for other datetime format


Check this sample out from the Highcharts API.

Replace this

return Highcharts.dateFormat('%a %d %b', this.value);

With this

return Highcharts.dateFormat('%a %d %b %H:%M:%S', this.value);

Look here about the dateFormat() function.

Also see - tickInterval and pointInterval

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